CVE-2026-57624: Blocksy Companion Pro unauthenticated remote code execution (REPRO-2026-00234)

Pruva

Verified reproduction

CVE-2026-57624: Blocksy Companion Pro unauthenticated remote code execution

CVE-2026-57624 is verified against the affected target vulnerability class: RCE This critical reproduction includes runnable sandbox proof, artifacts, and a plain-text agent view under REPRO-2026-00234.

REPRO-2026-00234 RCE Variant found Jul 6, 2026 .txt

Severity CRITICAL

Confidence HIGH

Reproduced in 37m 0s

Tool calls 287

Spend $7.74

01 · Reproduce

Download script Open in Codespaces → Variant script

$ pruva-verify REPRO-2026-00234

or

curl -O https://pruva.dev/api/v1/reproductions/REPRO-2026-00234/artifacts/bundle/repro/reproduction_steps.sh && chmod +x reproduction_steps.sh && ./reproduction_steps.sh

Run in a VM or disposable container. This exploits a real vulnerability.

02 · The vulnerability

Unauthenticated Remote Code Execution exists in Blocksy Companion Pro versions <= 2.1.46. Reproduce: install WordPress with the vulnerable Blocksy Companion Pro plugin, send an unauthenticated request to the vulnerable endpoint that executes PHP code, and confirm command execution.

03 · Root cause

Variant analysis

04 · Reproduction transcript

The agent's step-by-step process — every tool call, every handoff, the moment the exploit fired. Phases: support triages the advisory · repro reproduces it · vuln_variant confirms the fix blocks it · judge verifies.

Loading session...

05 · Artifacts

Scripts, logs, diffs, and output captured during the reproduction.

bundle/artifact_promotion_manifest.json15.2 KB

bundle/vuln_variant/source_identity.json3.0 KB

bundle/vuln_variant/root_cause_equivalence.json4.1 KB

bundle/repro/reproduction_steps.sh19.1 KB

bundle/repro/rca_report.md12.2 KB

bundle/repro/validation_verdict.json1.1 KB

bundle/repro/runtime_manifest.json1.5 KB

bundle/logs/vuln_marker.txt0.2 KB

bundle/logs/fixed_marker_check.txt0.1 KB